#!/bin/bash
#
# Slackware build script for libcurl-gnutls
#
# Copyright 2020-2022 Corrado Franco (https://corradofranco.it)
# Copyright 2022 marav Paris, France
# Copyright 2022 Edinaldo P. Silva, Rio de Janeiro, Brazil.
# All rights reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version, with the following exception:
# the text of the GPL license may be omitted.

# This program is distributed in the hope that it will be useful, but
# without any warranty; without even the implied warranty of
# merchantability or fitness for a particular purpose. Compiling,
# interpreting, executing or merely reading the text of the program
# may result in lapses of consciousness and/or very being, up to and
# including the end of all existence and the Universe as we know it.
# See the GNU General Public License for more details.

# You may have received a copy of the GNU General Public License along
# with this program (most likely, a file named COPYING).  If not, see
# <http://www.gnu.org/licenses/>.
#

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=libcurl-gnutls
PKGNAM=curl
VERSION=${VERSION:-7.84.0}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

TMP=${TMP:-/tmp/pkg}
PKG=$TMP/package-$PKGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ -z ${ARCH:=""} ]; then
  case "$( uname -m )" in
    i?86) ARCH=i686 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC -pipe -fomit-frame-pointer"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PKGNAM-$VERSION
tar xvf $CWD/$PKGNAM-$VERSION.tar.xz
cd $PKGNAM-$VERSION

chown -R root:root .
find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

# patch from Archlinux
zcat $CWD/0001-select-do-not-return-fatal-error-on-EINTR-from-poll.patch.gz | patch -p1 --verbose || exit 1

LDFLAGS="-L/usr/lib$LIBDIRSUFFIX" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-static=no \
  --enable-shared=yes \
  --disable-manual \
  --without-libssh2 \
  --without-gssapi \
  --without-ca-bundle \
  --with-ca-path=/etc/ssl/certs \
  --with-gnutls="/usr" \
  --host=$ARCH-slackware-linux \
  --build=$ARCH-slackware-linux

make -C lib
make -C lib DESTDIR=$PKG install

# don't break if $PKG contains a full stop.
CURLLIB=$(echo $PKG/usr/lib$LIBDIRSUFFIX/libcurl.so.4.?.? | rev | cut -d/ -f1 | rev | cut -d. -f3-)

mv ${PKG}/usr/lib${LIBDIRSUFFIX}/libcurl{,-gnutls}.so.$CURLLIB
rm ${PKG}/usr/lib${LIBDIRSUFFIX}/libcurl.so*
for VERSIONLIB in 3 4 4.0.0 4.1.0 4.2.0 4.3.0 4.4.0 4.5.0 4.6.0; do
  ln -s libcurl-gnutls.so.$CURLLIB $PKG/usr/lib${LIBDIRSUFFIX}/libcurl-gnutls.so.${VERSIONLIB}
done

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
find $PKG | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip -g 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION


cp -a COPYING* README* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
